Mathematics
05.11.2022 09:12
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Y^2-4xy-7y+28x please send the answer asap
Y^2-4xy-7y+28x please send the answer asap
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Dericktopsom
4,4(64 marks)
= (y - 4x) (y - 7)
Step-by-step explanation:
y^2-4xy-7y+28x
--
factor out y from y^2 - 4x : y(y - 4x)
factor out 7 from 28x - 7y : 7(4x - y)
= y (y - 4x) + 7(4x - y)
7 (4x - y) + 7(y - 4x)
= y (y - 4x) - 7(y - 4x)
= (y - 4x) (y - 7)
mashcroft2002
4,6(33 marks)
5
To find the ratio you simply divide the value by the previous value
7.56/1.512 = 5
37.8/7.56 = 5
To find the ratio you simply divide the value by the previous value
7.56/1.512 = 5
37.8/7.56 = 5
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